Finding the Fourth Proportional to 4,129,029.80, 5,698,681.96 and 2,971,308.55
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Solution
The fourth proportional to 4,129,029.80, 5,698,681.96 and 2,971,308.55 is: 4,100,852.56
Step by Step Solution
- Step 1: Write the proportion equation
4,129,029.80 : 5,698,681.96 = 2,971,308.55 : x - Step 2: Convert to fraction form
4,129,029.80/5,698,681.96 = 2,971,308.55/x - Step 3: Cross multiply
4,129,029.80x = 5,698,681.96 × 2,971,308.55 - Step 4: Simplify right side
4,129,029.80x = 16,932,542,414,211.02 - Step 5: Solve for x
x = 16,932,542,414,211.02/4,129,029.80 - Step 6: Final answer
x = 4,100,852.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.